Update gopool.png

Signed-off-by: Daniel Hu <tao.hu@merico.dev>

README.md

@@ -20,7 +20,7 @@ Welcome to GoPool, **a project where 95% of the code is generated by GPT**. You
 GoPool is a high-performance, feature-rich, and easy-to-use worker pool library for Golang. It is designed to manage and recycle a pool of goroutines to complete tasks concurrently, improving the efficiency and performance of your applications.
 
 <div align="center">
-<img src="./logo/gopool-logo-600x300.png" width="600">
+<img src="./logo/gopool.png" width="750">
 </div>
 
 ## Features
@@ -50,7 +50,7 @@ GoPool is a high-performance, feature-rich, and easy-to-use worker pool library
 To install GoPool, use `go get`:
 
 ```bash
-go get github.com/devchat-ai/gopool@v0.2.0
+go get github.com/devchat-ai/gopool@v0.3.0
 ```
 
 ## Usage

README_zh.md

@@ -20,7 +20,7 @@
 GoPool 是一个用 Golang 实现的高性能、功能丰富、易于使用的工作池库。它会管理和回收一组 goroutine 来并发完成任务，从而提高你的应用程序的效率和性能。
 
 <div align="center">
-<img src="./logo/gopool-logo-600x300.png" width="600">
+<img src="./logo/gopool.png" width="750">
 </div>
 
 ## 特性